Home / 22,528.28-31,088.55-12,457.14

Finding the Fourth Proportional to 22,528.28, 31,088.55 and 12,457.14

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Solution

The fourth proportional to 22,528.28, 31,088.55 and 12,457.14 is: 17,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.28 : 31,088.55 = 12,457.14 : x
  2. Step 2: Convert to fraction form
    22,528.28/31,088.55 = 12,457.14/x
  3. Step 3: Cross multiply
    22,528.28x = 31,088.55 × 12,457.14
  4. Step 4: Simplify right side
    22,528.28x = 387,274,419.75
  5. Step 5: Solve for x
    x = 387,274,419.75/22,528.28
  6. Step 6: Final answer
    x = 17,190.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.